Modeling Magnetic Fields around Stranded Electrical Transmission Lines via Finite Element Analysis (FEA)

Khaled Osmani () and Detlef Schulz
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Khaled Osmani: Department of Electrical Engineering, Helmut Schmidt University, 22043 Hamburg, Germany
Detlef Schulz: Department of Electrical Engineering, Helmut Schmidt University, 22043 Hamburg, Germany

Energies, 2024, vol. 17, issue 4, 1-25

Abstract: This paper aims to design the fundamental basis for an Unmanned Aerial System (UAS)-driven, remote, and non-invasive current sensing application. Using the COMSOL software, the methodology presented here consists of the Computer Aided Design (CAD) for stranded Transmission Line (TL) geometries composed of 7 to 91 sub-filaments and discretized via tetrahedral-element-based meshes. The radiated Magnetic Field (MF) around each TL is then solved by means of Finite Element Analysis (FEA) after selecting the proper materials for TLs under the coil geometry analysis study. For each TL, all resultant MFs’ norms are presented as tabulated data, with respect to the inducing currents. Eventually, the complex mathematical model needed to evaluate these MFs, radiated around stranded TLs, is surpassed by the scalable models designed through this study. The min/max MFs radiated around each TL resulting from the min/max injected current values are hence obtained. This would serve in the accurate choosing/positioning of magnetic-based sensors in UAS applications, reliably. Additionally, related future works are concretely presented.

Keywords: magnetic fields; non-invasive sensors; Maxwell equations; fields visualization; smart grids; transmission lines; Finite Element Analysis (FEA); Unmanned Aerial Systems (UAS) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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